5305-01-244-3981 SCREW,CAP,SOCKET HEAD Index 5305-01-244-3983 SCREW,TAPPING

National Stock Number:
5305-01-244-3982

Federal Supply Class:
5305

National Item Identification Number:
012443982

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
412-6015092 ITE53711NAVAL SEA SYSTEMS COMMAND
412-6015092 ITEM 853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALNICKEL ALLOY 400 OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
SPECIAL FEATURESCONE POINT
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.900 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.375 INCHES NOMINAL


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